.my-grid-table {
  position: relative;
  > div {
    background: white;
    padding: 4px;
    text-align: center;
    &:nth-child(10n + 1),
    &:nth-child(10n + 2),
    &:nth-child(10n + 3),
    &:nth-child(10n + 4),
    &:nth-child(10n + 5) {
      &.th {
        position: sticky;
        top: 0;
        background: #fafafa;
        z-index: 10;
      }
      background: ghostwhite;
    }
  }
}
